A dominant allele that causes a form of muscular dystrophy is known to be 80% penetrant....
A dominant allele that causes a form of muscular dystrophy is known to be 80% penetrant. 100 children are born to parents having the following genotypes: Mm X mm. How many of these children do you expect will have this type of muscular dystrophy? Describe how you came to this number. What is one possible explanation for the reduced penetrance (HINT: the answer to this last part of the question can be fairly general)?
Homework Answers
Answer-40 Children will have muscular dystrophy.
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A dominant allele that causes a form of muscular dystrophy is
known to be 80% penetrant....
Please answer both pages On a separate piece of paper, answer the Genetics Problems allele (a)...
Please answer both pages
On a separate piece of paper, answer the Genetics Problems allele (a) that is recessive to the ailele for nomal metabolism o following questions. Be sure to SHOW ALL WORK c. If Sally of Sally, her mother, hor father, and her brother humans, the allele for six If both that their frst child will have alkaptonuria? ngers, what is the probabity that their first child wil be 'normar (have five percentage of their children should to...
Match the following terms with the appropriate description below: a. alleles b. autosomes c. dominant allele...
Match the following terms with the appropriate description
below:
a. alleles b. autosomes c. dominant allele d. genotype e.
heterozygous f. homozygote g. phenotype h. recessive allele i. sex
chromosomes
1. ________________ genetic make-up
2. ________________ how genetic make-up is expressed
3. ________________ chromosomes that dictate most body
characteristics
4. ________________ alternative forms of the same gene
5. ___________an individual bearing two alleles that are the same
for a particular trait 6. ________________ an allele that is
expressed, whether in...
Assume that tail length in mice is a quantitative trait involving two genes, each with 2...
Assume that tail length in mice is a quantitative trait involving two genes, each with 2 alleles. One allele at each gene contributes to long tails, the other allele at each gene does not (small tails). The genes are located on different autosomes. Mice with 0 contributing alleles have tails that are 4 cm in length; mice with tails with 4 contributing alleles are 12 cm in length. Determine the phenotypic ratio from an F2 from a true breeding parent...
3. Sickle-cell disease is a genetic condition caused by an autosomal recessive allele which al- fects...
3. Sickle-cell disease is a genetic condition caused by an autosomal recessive allele which al- fects one in every 500 African American children born in the U.S. One in every ten African Americans is a carrier for the recessive allels. Although sickle cell disease is caused by a single human gene, it is expressed through many different effects throughout the body. The presence of a recessive sickle-cell allele in humans causes the red blood cells to produce abnormal hemoglobin protein...
can someone please help me with this ? Practice Using a Punnett Square. Punnett Squares are...
can someone please help me with this ?
Practice Using a Punnett Square. Punnett Squares are tools to identify outcomes known genotypes. They can be used to help infer probabilities of genotypes and from a particular cross. of possible crosses between individuals of phenotypes amongst offspring lele forms "A" and "a". A woman is heterozygous, so she can produce eggs with Consider a gene with all 9. and Write them across the top of the Punnett Square below the following...
Osteogenesis imperfecta is a disease caused by non-functional A. Dominant; chloride ion channel B. Dominant; collagen...
Osteogenesis imperfecta is a disease caused by non-functional A. Dominant; chloride ion channel B. Dominant; collagen C. Dominant; hemoglobin D. Recessive; chloride ion channel E. Recessive; collagen AB. Recessive; hemoglobin 14. Sickle cell disease is an example of many distinct traits (and therefore causes many symptoms). A. codominance B. pleiotropy C. incomplete dominance D. multiple allelic trait E. x-linked inheritance because it is caused by one abnormal gene that affects 15. In a Punnett square: A. the results show the...
Questions 1-6 BIOL 366 Mono and Dihybrid Crosses Recitation Problem Set Directions: For problems 1-6, do...
Questions 1-6
BIOL 366 Mono and Dihybrid Crosses Recitation Problem Set Directions: For problems 1-6, do the following A. List how many genes are involved B. List how many alleles are involved. C. Identify symbols and genotypes / phenotypes D. List the genotypes of the parents E. Diagram and complete a Punnett square F. Give the phenotype percentages/ration of the offspring 1. In dogs, erect ears (E) is dominate over droopy ears (e). What are the results if two heterozygous...
Amounts of which of the components of cell cycle regulation vary with cell cycle phase? Cyclin-dependent...
Amounts of which of the components of cell cycle regulation vary with cell cycle phase? Cyclin-dependent kinases Cyclins Checkpoints Kinetochores The synaptonemal complex forms to facilitate pairing of homologous chromosomes during prophase of mitosis and meiosis. prophase of meiosis I and II. c. prophase of meiosis I only. d. all stages of meiosis. Mendel’s Second Law of Independent Assortment refers to the separation of two identical alleles of the same gene. two different alleles of the same gene. alleles...
What genes (or kind of genes) will you focus on in your investigative research? Provide 2-3...
What genes (or kind of genes) will you focus on in your investigative research? Provide 2-3 reasons for your choice of these gene/s. Starting with the bone sample itself, what methods will you use to get DNA that you can sequence? Which “ingredients” in your lab reactions will determine which gene or genes are copied? How is it that these ingredients are able to target a specific gene? What method will you use to see if your efforts to copy...
1) You have been hired as a genetic counselor. Your first patient is a young woman...
1) You have been hired as a genetic counselor. Your first patient is a young woman named Lei who comes to you because her brother has cystic fibrosis. (Learn more about this disease in the PowerPoint slides – find out how it is inherited, is it dominant or recessive?) Lei is healthy but would like to know the risk that she is a carrier for the disease. Both her parents are healthy as is her older sister. a. Fill in...
Please answer both pages
On a separate piece of paper, answer the Genetics Problems allele (a) that is recessive to the ailele for nomal metabolism o following questions. Be sure to SHOW ALL WORK c. If Sally of Sally, her mother, hor father, and her brother humans, the allele for six If both that their frst child will have alkaptonuria? ngers, what is the probabity that their first child wil be 'normar (have five percentage of their children should to...
Match the following terms with the appropriate description
below:
a. alleles b. autosomes c. dominant allele d. genotype e.
heterozygous f. homozygote g. phenotype h. recessive allele i. sex
chromosomes
1. ________________ genetic make-up
2. ________________ how genetic make-up is expressed
3. ________________ chromosomes that dictate most body
characteristics
4. ________________ alternative forms of the same gene
5. ___________an individual bearing two alleles that are the same
for a particular trait 6. ________________ an allele that is
expressed, whether in...
3. Sickle-cell disease is a genetic condition caused by an autosomal recessive allele which al- fects one in every 500 African American children born in the U.S. One in every ten African Americans is a carrier for the recessive allels. Although sickle cell disease is caused by a single human gene, it is expressed through many different effects throughout the body. The presence of a recessive sickle-cell allele in humans causes the red blood cells to produce abnormal hemoglobin protein...
can someone please help me with this ?
Practice Using a Punnett Square. Punnett Squares are tools to identify outcomes known genotypes. They can be used to help infer probabilities of genotypes and from a particular cross. of possible crosses between individuals of phenotypes amongst offspring lele forms "A" and "a". A woman is heterozygous, so she can produce eggs with Consider a gene with all 9. and Write them across the top of the Punnett Square below the following...
Osteogenesis imperfecta is a disease caused by non-functional A. Dominant; chloride ion channel B. Dominant; collagen C. Dominant; hemoglobin D. Recessive; chloride ion channel E. Recessive; collagen AB. Recessive; hemoglobin 14. Sickle cell disease is an example of many distinct traits (and therefore causes many symptoms). A. codominance B. pleiotropy C. incomplete dominance D. multiple allelic trait E. x-linked inheritance because it is caused by one abnormal gene that affects 15. In a Punnett square: A. the results show the...
Questions 1-6
BIOL 366 Mono and Dihybrid Crosses Recitation Problem Set Directions: For problems 1-6, do the following A. List how many genes are involved B. List how many alleles are involved. C. Identify symbols and genotypes / phenotypes D. List the genotypes of the parents E. Diagram and complete a Punnett square F. Give the phenotype percentages/ration of the offspring 1. In dogs, erect ears (E) is dominate over droopy ears (e). What are the results if two heterozygous...
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